There are a lot of programming projects (of course), bin is quite full, no doc/ (moved it to /usr/local after not wanting it to fill up my backups). text/ contains some literature projects and other texts that are important atm.

my bin-folder is symlinked to my dotfiles/scripts/bin folder. Not much there right now, but i had the idea to do that a while ago....
my code is on my 2nd ssd on my desktop - therefore it's linked there... on my other pc's it's just the code folder by itself.
the data folder is a mounted 3tb disk with my movies and the contents of my dropbox. That's where most of my mess is created and persisted...
Didn't know steam created a *.desktop file... whatever.
Documents is the place where i store temporary documents that i don't really need. i clean that up every once in a while. Seems like Hard West (great game btw) stores it's saves there.
Downloads is pretty self-explanatory. I have a weekly cron-job that just deletes the stuff there.
ssd is the mount-point for the aforementioned 2nd disk where i currently only have code and games...